Improvement in machines for opening the eyes of axes



Patented Jan.18,1878.

No.17Z,Z49.

INVENTOR.

WITNESSES: 6', @(a

UNITED STATES PATENT QFFICE.

LUKE CHAPMAN, OF COLLINSVILLE, CONNECTICUT ASSIGNOR TO THE COLLINS COMPANY,'OF SAME PLACE.

IMPROVEMENT IN MACHINES FOR OPENING THE EYES OF AXES,

Specification forming part of Letters Patent No. 172,249, dated January 18,1876 application filed February 24, 1875.

CASE K.

011 shaft 0, bearing pinion d, meshing into gear 6 on crankshaft f, from which pitman 1' gives up-and-down motion to punch-stock g, bearin g one or more eye-opening punches, h.

The

platen j, on which the ax is placed, is verti cally adjustable, so that it can be adjusted to allow the punch to enter to just the desired point, and no deeper. The detaching-guard k, which detaches the ax from the punch when it moves upward, is also vertically adjustable.

I claim as my iuventi0n- The combination of the reciprocating punchstock, the adjustable platen, and the adj ustable detaching guard, substantially as described.

LUKE CHAPMAN.

Witnesses WM. EDGAR SIMONDS, GEORGE E. NOLAN. 

